单词 | magnetic inspection paste |
释义 | magnetic inspection paste [mag`ned·ik in`spek·shǝn ´pāst] METALLURGY A paste containing ferromagnetic particles designed to be added to a light distilled petroleum oil, such as kerosine or naphtha, to form an inspection penetrant; when the inspection penetrant is applied to a metal, the ferrous particles accumulate in any surface cracks by magnetic attraction, thereby permitting the cracks to be discerned. |
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